CN211031566U - Base film and composite film - Google Patents
Base film and composite film Download PDFInfo
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- CN211031566U CN211031566U CN201921949258.0U CN201921949258U CN211031566U CN 211031566 U CN211031566 U CN 211031566U CN 201921949258 U CN201921949258 U CN 201921949258U CN 211031566 U CN211031566 U CN 211031566U
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- base film
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Abstract
The utility model belongs to the special type film field, it discloses a base film, the base film on be equipped with one deck UV cured layer, UV cured layer on be equipped with the burr that matches of the air guide groove on the viscose layer of the film of peripheral hardware. Make the film keep complete air guide structure before the laminating after this base film and film are compound, simultaneously the utility model also discloses a complex film that adopts this base film.
Description
Technical Field
The utility model relates to a special type film field, especially a base film, complex film.
Background
The lower surface of the film is provided with the air guide groove, so that air in the film can be quickly discharged when the film is laid on a smooth surface, and an air pocket or an air point is prevented from being formed under the film.
The methods commonly used in the art are: coating a PE coating on the surface of a base film (which can be a plastic film or backing paper), printing a grid pattern or parallel ribs extending to the edge of the base film on the PE coating by a transfer printing method, and compounding the base film and the film to form air guide grooves on an adhesive layer of the film.
The method has problems that: the PE coating is soft after being cured, and the air guide groove can be blocked or damaged only by pressing the composite film or bending the composite film, so that local unsmooth air guide is caused. Or at slightly higher temperatures, the PE coating may soften back, causing the air-guiding grooves in the film to disappear or become shallower.
To solve this problem, the person skilled in the art generally makes the embossing on the PE coating very high, so that the air guide groove on the adhesive layer becomes very deep, and the air guide groove is not easily blocked or damaged. However, this method has a problem that when the film is attached to glass or other screens, the grid-like lines are clearly seen, which seriously affects the beauty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a base film, can make the film keep complete air guide structure before the laminating after this base film and film are compound, simultaneously the utility model also discloses a complex film and the preparation method of adopting this base film.
The specific scheme is as follows: the utility model provides a base film, the base film on be equipped with one deck UV cured layer, UV cured layer on be equipped with the burr that matches with the air guide groove on the viscose layer of the film of peripheral hardware.
In the above-described base film, the embossments are mesh-like embossments provided on the UV-curable layer.
Meanwhile, the utility model also discloses a composite film, which comprises a base film and a film arranged on the base film, wherein the base film and the film are compounded together through an adhesive layer; the groups are as described in any of the above.
In the composite film, the surface of the UV curing layer is coated with a release layer.
The beneficial effects of the utility model reside in that:
the utility model discloses coating UV curing layer and rendition burr on the base film, through the UV curing operation, make the burr keep, no matter be folding, press, under the condition of heating, this UV curing layer who contains the burr can not warp, soften and disappear.
That is, after the base film and the film with the adhesive layer are combined, the air guide groove on the adhesive layer can not be blocked, lightened or disappeared or damaged by folding, pressing and heating before the film is used.
Meanwhile, due to the advantage of the UV curing layer, the wale is not required to be made to be very high, namely, the air guide groove on the adhesive layer on the film is not too deep, so that the lines are difficult to see on the back plane of the film and no air bubbles are left.
Drawings
FIG. 1 is a plan view of examples 1 to 2 of the present invention;
fig. 2 is a sectional view of embodiment 1-2 of the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.
In order to more clearly explain the present invention, the following examples are given to illustrate the advantages of the present invention.
Example 1
Referring to fig. 1 and 2, a base film 1, said base film 1 is provided with a UV curing layer 2, said UV curing layer 2 is provided with ribs 3 matching with air guide grooves on an adhesive layer 5 of an external film 4, said ribs 3 are grid ribs 3 provided on the UV curing layer 2. Of course, the rib 3 may be a structure capable of guiding air after being transferred to the adhesive layer 5 in other forms, such as a plurality of parallel straight ribs 3, etc., which is not limited too much, and this is not a point of the core utility model.
Since the UV curable layer 2 itself has advantages of high temperature resistance and high strength, the height of the relief 3 does not need to be too high, and in general, may be 10 to 50 μm.
The preparation method of the base film 1 comprises the following steps:
coating a UV coating on the base film 1, extruding the base film 1 coated with the UV coating through an extrusion roller and simultaneously curing the UV coating by adopting light to form the base film 1; the extrusion roller is provided with a groove which is the same as the air guide groove on the adhesive layer 5 of the film 4 arranged outside. Thus, after the curing is finished, the ribs 3 corresponding to the air guide grooves on the adhesive of the peripheral film 4 can be formed on the UV curing layer 2, which is beneficial to transfer printing.
The techniques commonly used in the art, such as coating of the UV layer, UV curing, etc., are not limited or described in detail in this embodiment.
This example applies a UV-cured layer 2 on a base film 1 and transfers the embosses 3, and the embosses 3 are held by the UV-curing operation, and the UV-cured layer 2 containing the embosses 3 is not deformed, softened, and disappeared regardless of folding, pressing, and heating.
That is, after the base film 1 and the film 4 with the adhesive layer 5 are combined, the air guide groove in the adhesive layer 5 is not clogged, reduced or disappeared or destroyed by folding, pressing, heating before the film 4 is used.
Meanwhile, due to the advantage of the UV cured layer 2, the ribs 3 are not made high, that is, the air guide grooves of the adhesive layer 5 on the film 4 are not deep, so that the lines are hardly visible on the back surface of the film without air bubbles remaining.
Example 2
Referring to fig. 1 and 2, a composite film includes a base film 1 and a film 4 disposed on the base film 1, wherein the base film 1 and the film 4 are combined together by an adhesive layer 5; the base film 1 is as described above in example 1.
More preferably, the surface of the UV curable layer 2 is coated with a release layer, so as to reduce the strength of peeling the film 4 and the adhesive layer 5 on the film 4 from the base film 1.
The preparation of the composite membrane comprises the following steps:
step 1: base film 1 was prepared as described in example 1;
step 2: coating a layer of adhesive layer 5 on the film 4 and drying;
and step 3: and compounding the side of the film 4 coated with the adhesive layer 5 and the side of the base film 1 provided with the UV curing layer 2 to obtain the composite film.
The composite membrane has the advantages that: before film 4 peels off from base film 1, the air guide groove can not block up, disappear, damage etc., can guarantee to exhaust fast in the laminating process, and the air guide groove can not leave the line on film 4.
The above description is only for the preferred embodiment of the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The base film is characterized in that a UV curing layer is arranged on the base film, and a convex pattern matched with an air guide groove in an adhesive layer of an externally-arranged film is arranged on the UV curing layer.
2. The base film of claim 1, wherein the ribs are grid ribs disposed on the UV cured layer.
3. A composite film comprises a base film and a film arranged on the base film, wherein the base film and the film are compounded together through an adhesive layer; characterized in that the base film is as defined in claim 1 or 2.
4. The composite film of claim 3 wherein the surface of said UV cured layer is coated with a release layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949258.0U CN211031566U (en) | 2019-11-12 | 2019-11-12 | Base film and composite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949258.0U CN211031566U (en) | 2019-11-12 | 2019-11-12 | Base film and composite film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211031566U true CN211031566U (en) | 2020-07-17 |
Family
ID=71562833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921949258.0U Active CN211031566U (en) | 2019-11-12 | 2019-11-12 | Base film and composite film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211031566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936692A (en) * | 2019-11-12 | 2020-03-31 | 广东金斯迪新材料科技有限公司 | Base film, composite film and preparation method thereof |
-
2019
- 2019-11-12 CN CN201921949258.0U patent/CN211031566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936692A (en) * | 2019-11-12 | 2020-03-31 | 广东金斯迪新材料科技有限公司 | Base film, composite film and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A base film and composite film Effective date of registration: 20230720 Granted publication date: 20200717 Pledgee: Guangzhou Rural Commercial Bank Co.,Ltd. Qingyuan Branch Pledgor: GUANGDONG JINSIDI NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980048922 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |